./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product21.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash daf06f15c6a50440fa28ebda61a14a306dbf33e7f2231abb8ab4ae318f81a0b9 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 07:47:21,486 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 07:47:21,563 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-01-10 07:47:21,569 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 07:47:21,570 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 07:47:21,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 07:47:21,598 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 07:47:21,599 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 07:47:21,599 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 07:47:21,600 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 07:47:21,601 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 07:47:21,601 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 07:47:21,601 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 07:47:21,601 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-01-10 07:47:21,602 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-01-10 07:47:21,602 INFO L153 SettingsManager]: * Use old map elimination=false [2025-01-10 07:47:21,602 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-01-10 07:47:21,602 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-01-10 07:47:21,602 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-01-10 07:47:21,602 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 07:47:21,602 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-01-10 07:47:21,603 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 07:47:21,603 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 07:47:21,603 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 07:47:21,603 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 07:47:21,603 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-01-10 07:47:21,603 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-01-10 07:47:21,603 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-01-10 07:47:21,603 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 07:47:21,603 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 07:47:21,603 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 07:47:21,603 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-01-10 07:47:21,603 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 07:47:21,603 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 07:47:21,604 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 07:47:21,604 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 07:47:21,604 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 07:47:21,604 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 07:47:21,604 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-01-10 07:47:21,604 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> daf06f15c6a50440fa28ebda61a14a306dbf33e7f2231abb8ab4ae318f81a0b9 [2025-01-10 07:47:21,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 07:47:21,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 07:47:21,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 07:47:21,938 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 07:47:21,938 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 07:47:21,939 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product21.cil.c [2025-01-10 07:47:23,263 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dcd284afc/f1b338ec5cba4b41b6457c750de965d1/FLAG962d271cf [2025-01-10 07:47:23,551 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 07:47:23,551 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product21.cil.c [2025-01-10 07:47:23,561 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dcd284afc/f1b338ec5cba4b41b6457c750de965d1/FLAG962d271cf [2025-01-10 07:47:23,576 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dcd284afc/f1b338ec5cba4b41b6457c750de965d1 [2025-01-10 07:47:23,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 07:47:23,580 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 07:47:23,582 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 07:47:23,582 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 07:47:23,585 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 07:47:23,586 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:47:23" (1/1) ... [2025-01-10 07:47:23,587 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3433869c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:23, skipping insertion in model container [2025-01-10 07:47:23,587 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:47:23" (1/1) ... [2025-01-10 07:47:23,622 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 07:47:23,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 07:47:23,892 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 07:47:23,899 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2025-01-10 07:47:23,900 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [237] [2025-01-10 07:47:23,900 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [305] [2025-01-10 07:47:23,900 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [314] [2025-01-10 07:47:23,900 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [680] [2025-01-10 07:47:23,900 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [718] [2025-01-10 07:47:23,901 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [814] [2025-01-10 07:47:23,901 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [841] [2025-01-10 07:47:23,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 07:47:23,943 INFO L204 MainTranslator]: Completed translation [2025-01-10 07:47:23,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:23 WrapperNode [2025-01-10 07:47:23,944 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 07:47:23,944 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 07:47:23,944 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 07:47:23,945 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 07:47:23,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:23" (1/1) ... [2025-01-10 07:47:23,959 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:23" (1/1) ... [2025-01-10 07:47:23,989 INFO L138 Inliner]: procedures = 53, calls = 98, calls flagged for inlining = 51, calls inlined = 80, statements flattened = 501 [2025-01-10 07:47:23,990 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 07:47:23,990 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 07:47:23,990 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 07:47:23,990 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 07:47:23,998 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:23" (1/1) ... [2025-01-10 07:47:23,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:23" (1/1) ... [2025-01-10 07:47:24,002 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:23" (1/1) ... [2025-01-10 07:47:24,035 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-01-10 07:47:24,038 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:23" (1/1) ... [2025-01-10 07:47:24,039 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:23" (1/1) ... [2025-01-10 07:47:24,054 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:23" (1/1) ... [2025-01-10 07:47:24,055 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:23" (1/1) ... [2025-01-10 07:47:24,064 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:23" (1/1) ... [2025-01-10 07:47:24,065 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:23" (1/1) ... [2025-01-10 07:47:24,066 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:23" (1/1) ... [2025-01-10 07:47:24,069 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 07:47:24,069 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 07:47:24,070 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 07:47:24,070 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 07:47:24,070 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:23" (1/1) ... [2025-01-10 07:47:24,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:47:24,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:47:24,103 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:47:24,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-01-10 07:47:24,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 07:47:24,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 07:47:24,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 07:47:24,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 07:47:24,194 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 07:47:24,196 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 07:47:24,555 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2025-01-10 07:47:24,555 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 07:47:24,570 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 07:47:24,572 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-10 07:47:24,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:47:24 BoogieIcfgContainer [2025-01-10 07:47:24,572 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 07:47:24,573 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-01-10 07:47:24,573 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-01-10 07:47:24,578 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-01-10 07:47:24,579 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:47:24,579 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.01 07:47:23" (1/3) ... [2025-01-10 07:47:24,580 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@18cfea85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.01 07:47:24, skipping insertion in model container [2025-01-10 07:47:24,580 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:47:24,580 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:23" (2/3) ... [2025-01-10 07:47:24,581 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@18cfea85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.01 07:47:24, skipping insertion in model container [2025-01-10 07:47:24,581 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:47:24,581 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:47:24" (3/3) ... [2025-01-10 07:47:24,582 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product21.cil.c [2025-01-10 07:47:24,629 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-01-10 07:47:24,629 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-01-10 07:47:24,629 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-01-10 07:47:24,629 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-01-10 07:47:24,630 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-01-10 07:47:24,630 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-01-10 07:47:24,630 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-01-10 07:47:24,630 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-01-10 07:47:24,637 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 151 states, 150 states have (on average 1.3333333333333333) internal successors, (200), 150 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:47:24,661 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 96 [2025-01-10 07:47:24,662 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:47:24,662 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:47:24,668 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:47:24,668 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:47:24,669 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-01-10 07:47:24,669 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 151 states, 150 states have (on average 1.3333333333333333) internal successors, (200), 150 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:47:24,676 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 96 [2025-01-10 07:47:24,677 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:47:24,677 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:47:24,678 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:47:24,678 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:47:24,682 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret44#1, main_~retValue_acc~8#1, main_~tmp~7#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1;" "main_#t~ret44#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret44#1;havoc main_#t~ret44#1;" "assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-01-10 07:47:24,683 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet16#1;test_~tmp~3#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1;" "assume !(0 != test_~tmp~3#1);" "havoc test_#t~nondet17#1;test_~tmp___0~1#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet18#1;test_~tmp___2~0#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret45#1, __utac_acc__Specification4_spec__1_#t~ret46#1, __utac_acc__Specification4_spec__1_~tmp~8#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~8#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1;" "__utac_acc__Specification4_spec__1_#t~ret45#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~8#1 := __utac_acc__Specification4_spec__1_#t~ret45#1;havoc __utac_acc__Specification4_spec__1_#t~ret45#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret45#1, __utac_acc__Specification4_spec__1_#t~ret46#1, __utac_acc__Specification4_spec__1_~tmp~8#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-01-10 07:47:24,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:47:24,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2025-01-10 07:47:24,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:47:24,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961326813] [2025-01-10 07:47:24,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:47:24,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:47:24,750 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:47:24,773 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:47:24,774 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:24,774 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:24,775 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:47:24,778 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:47:24,786 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:47:24,786 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:24,787 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:24,807 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:47:24,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:47:24,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1017028044, now seen corresponding path program 1 times [2025-01-10 07:47:24,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:47:24,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586519216] [2025-01-10 07:47:24,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:47:24,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:47:24,819 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-10 07:47:24,825 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-10 07:47:24,826 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:24,827 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:24,827 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:47:24,829 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-10 07:47:24,835 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-10 07:47:24,836 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:24,836 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:24,843 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:47:24,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:47:24,845 INFO L85 PathProgramCache]: Analyzing trace with hash -973304848, now seen corresponding path program 1 times [2025-01-10 07:47:24,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:47:24,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521264430] [2025-01-10 07:47:24,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:47:24,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:47:24,864 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-01-10 07:47:24,881 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-01-10 07:47:24,882 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:24,882 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:47:25,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:47:25,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 07:47:25,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521264430] [2025-01-10 07:47:25,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521264430] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 07:47:25,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 07:47:25,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 07:47:25,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79013768] [2025-01-10 07:47:25,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 07:47:25,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 07:47:25,190 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 07:47:25,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-10 07:47:25,194 INFO L87 Difference]: Start difference. First operand has 151 states, 150 states have (on average 1.3333333333333333) internal successors, (200), 150 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:47:25,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 07:47:25,270 INFO L93 Difference]: Finished difference Result 145 states and 185 transitions. [2025-01-10 07:47:25,271 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 145 states and 185 transitions. [2025-01-10 07:47:25,275 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 90 [2025-01-10 07:47:25,280 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 145 states to 135 states and 175 transitions. [2025-01-10 07:47:25,281 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 135 [2025-01-10 07:47:25,282 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 135 [2025-01-10 07:47:25,283 INFO L73 IsDeterministic]: Start isDeterministic. Operand 135 states and 175 transitions. [2025-01-10 07:47:25,283 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-01-10 07:47:25,284 INFO L218 hiAutomatonCegarLoop]: Abstraction has 135 states and 175 transitions. [2025-01-10 07:47:25,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states and 175 transitions. [2025-01-10 07:47:25,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2025-01-10 07:47:25,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 135 states have (on average 1.2962962962962963) internal successors, (175), 134 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:47:25,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 175 transitions. [2025-01-10 07:47:25,314 INFO L240 hiAutomatonCegarLoop]: Abstraction has 135 states and 175 transitions. [2025-01-10 07:47:25,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 07:47:25,317 INFO L432 stractBuchiCegarLoop]: Abstraction has 135 states and 175 transitions. [2025-01-10 07:47:25,317 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-01-10 07:47:25,317 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 135 states and 175 transitions. [2025-01-10 07:47:25,319 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 90 [2025-01-10 07:47:25,319 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:47:25,319 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:47:25,319 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:47:25,319 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:47:25,319 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret44#1, main_~retValue_acc~8#1, main_~tmp~7#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1;" "main_#t~ret44#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret44#1;havoc main_#t~ret44#1;" "assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-01-10 07:47:25,319 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet16#1;test_~tmp~3#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1;" "assume !(0 != test_~tmp~3#1);" "havoc test_#t~nondet17#1;test_~tmp___0~1#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet18#1;test_~tmp___2~0#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret4#1, processEnvironment__wrappee__lowWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~0#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__lowWaterSensor_#t~ret4#1, processEnvironment__wrappee__lowWaterSensor_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true;" "havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret45#1, __utac_acc__Specification4_spec__1_#t~ret46#1, __utac_acc__Specification4_spec__1_~tmp~8#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~8#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1;" "__utac_acc__Specification4_spec__1_#t~ret45#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~8#1 := __utac_acc__Specification4_spec__1_#t~ret45#1;havoc __utac_acc__Specification4_spec__1_#t~ret45#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret45#1, __utac_acc__Specification4_spec__1_#t~ret46#1, __utac_acc__Specification4_spec__1_~tmp~8#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-01-10 07:47:25,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:47:25,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2025-01-10 07:47:25,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:47:25,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854217750] [2025-01-10 07:47:25,320 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 07:47:25,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:47:25,324 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:47:25,327 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:47:25,327 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 07:47:25,327 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:25,328 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:47:25,329 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:47:25,331 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:47:25,331 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:25,331 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:25,333 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:47:25,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:47:25,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1702853836, now seen corresponding path program 1 times [2025-01-10 07:47:25,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:47:25,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165474545] [2025-01-10 07:47:25,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:47:25,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:47:25,337 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-01-10 07:47:25,338 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-01-10 07:47:25,338 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:25,338 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:25,339 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:47:25,339 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-01-10 07:47:25,340 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-01-10 07:47:25,341 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:25,341 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:25,343 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:47:25,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:47:25,344 INFO L85 PathProgramCache]: Analyzing trace with hash 54855824, now seen corresponding path program 1 times [2025-01-10 07:47:25,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:47:25,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081624301] [2025-01-10 07:47:25,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:47:25,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:47:25,349 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-10 07:47:25,353 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-10 07:47:25,353 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:25,353 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:25,353 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:47:25,355 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-10 07:47:25,359 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-10 07:47:25,359 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:25,359 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:25,362 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:47:26,211 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:47:26,215 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:47:26,215 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:26,215 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:26,216 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:47:26,224 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:47:26,227 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:47:26,227 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:26,227 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:26,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.01 07:47:26 BoogieIcfgContainer [2025-01-10 07:47:26,273 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-01-10 07:47:26,274 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 07:47:26,274 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 07:47:26,274 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 07:47:26,274 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:47:24" (3/4) ... [2025-01-10 07:47:26,276 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-01-10 07:47:26,321 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-10 07:47:26,321 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 07:47:26,322 INFO L158 Benchmark]: Toolchain (without parser) took 2741.96ms. Allocated memory is still 142.6MB. Free memory was 109.2MB in the beginning and 44.3MB in the end (delta: 64.8MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. [2025-01-10 07:47:26,322 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:47:26,322 INFO L158 Benchmark]: CACSL2BoogieTranslator took 362.38ms. Allocated memory is still 142.6MB. Free memory was 109.2MB in the beginning and 91.9MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-10 07:47:26,323 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.41ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 88.3MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 07:47:26,323 INFO L158 Benchmark]: Boogie Preprocessor took 78.47ms. Allocated memory is still 142.6MB. Free memory was 88.3MB in the beginning and 85.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:47:26,323 INFO L158 Benchmark]: RCFGBuilder took 503.16ms. Allocated memory is still 142.6MB. Free memory was 85.9MB in the beginning and 61.9MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-10 07:47:26,323 INFO L158 Benchmark]: BuchiAutomizer took 1699.69ms. Allocated memory is still 142.6MB. Free memory was 61.9MB in the beginning and 48.1MB in the end (delta: 13.9MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2025-01-10 07:47:26,324 INFO L158 Benchmark]: Witness Printer took 47.33ms. Allocated memory is still 142.6MB. Free memory was 48.1MB in the beginning and 44.3MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:47:26,325 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 362.38ms. Allocated memory is still 142.6MB. Free memory was 109.2MB in the beginning and 91.9MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.41ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 88.3MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.47ms. Allocated memory is still 142.6MB. Free memory was 88.3MB in the beginning and 85.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 503.16ms. Allocated memory is still 142.6MB. Free memory was 85.9MB in the beginning and 61.9MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 1699.69ms. Allocated memory is still 142.6MB. Free memory was 61.9MB in the beginning and 48.1MB in the end (delta: 13.9MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Witness Printer took 47.33ms. Allocated memory is still 142.6MB. Free memory was 48.1MB in the beginning and 44.3MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] - GenericResultAtLocation [Line: 237]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [237] - GenericResultAtLocation [Line: 305]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [305] - GenericResultAtLocation [Line: 314]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [314] - GenericResultAtLocation [Line: 680]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [680] - GenericResultAtLocation [Line: 718]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [718] - GenericResultAtLocation [Line: 814]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [814] - GenericResultAtLocation [Line: 841]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [841] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 135 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 184 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 184 mSDsluCounter, 535 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 355 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 180 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 253]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L59] int pumpRunning = 0; [L60] int systemActive = 1; [L484] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L719] int cleanupTimeShifts = 4; [L842] int waterLevel = 1; [L843] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L792] int retValue_acc ; [L793] int tmp ; [L797] FCALL select_helpers() [L798] FCALL select_features() [L799] CALL, EXPR valid_product() [L710] int retValue_acc ; [L713] retValue_acc = 1 [L714] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L799] RET, EXPR valid_product() [L799] tmp = valid_product() [L801] COND TRUE \read(tmp) [L803] FCALL setup() [L804] CALL runTest() [L786] CALL test() [L242] int splverifierCounter ; [L243] int tmp ; [L244] int tmp___0 ; [L245] int tmp___1 ; [L246] int tmp___2 ; [L249] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L253] COND TRUE splverifierCounter < 4 [L259] tmp = __VERIFIER_nondet_int() [L261] COND FALSE !(\read(tmp)) [L269] tmp___0 = __VERIFIER_nondet_int() [L271] COND FALSE !(\read(tmp___0)) [L279] tmp___2 = __VERIFIER_nondet_int() [L281] COND TRUE \read(tmp___2) [L294] CALL timeShift() [L67] COND FALSE !(\read(pumpRunning)) [L74] COND TRUE \read(systemActive) [L76] CALL processEnvironment() [L122] int tmp ; [L125] COND FALSE !(\read(pumpRunning)) [L140] CALL processEnvironment__wrappee__lowWaterSensor() [L96] int tmp ; [L99] COND FALSE !(\read(pumpRunning)) [L114] FCALL processEnvironment__wrappee__base() [L140] RET processEnvironment__wrappee__lowWaterSensor() [L76] RET processEnvironment() [L82] CALL __utac_acc__Specification4_spec__1() [L817] int tmp ; [L818] int tmp___0 ; [L822] CALL, EXPR getWaterLevel() [L913] int retValue_acc ; [L916] retValue_acc = waterLevel [L917] return (retValue_acc); [L822] RET, EXPR getWaterLevel() [L822] tmp = getWaterLevel() [L824] COND FALSE !(tmp == 0) [L82] RET __utac_acc__Specification4_spec__1() [L294] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 253]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L59] int pumpRunning = 0; [L60] int systemActive = 1; [L484] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L719] int cleanupTimeShifts = 4; [L842] int waterLevel = 1; [L843] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L792] int retValue_acc ; [L793] int tmp ; [L797] FCALL select_helpers() [L798] FCALL select_features() [L799] CALL, EXPR valid_product() [L710] int retValue_acc ; [L713] retValue_acc = 1 [L714] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L799] RET, EXPR valid_product() [L799] tmp = valid_product() [L801] COND TRUE \read(tmp) [L803] FCALL setup() [L804] CALL runTest() [L786] CALL test() [L242] int splverifierCounter ; [L243] int tmp ; [L244] int tmp___0 ; [L245] int tmp___1 ; [L246] int tmp___2 ; [L249] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L253] COND TRUE splverifierCounter < 4 [L259] tmp = __VERIFIER_nondet_int() [L261] COND FALSE !(\read(tmp)) [L269] tmp___0 = __VERIFIER_nondet_int() [L271] COND FALSE !(\read(tmp___0)) [L279] tmp___2 = __VERIFIER_nondet_int() [L281] COND TRUE \read(tmp___2) [L294] CALL timeShift() [L67] COND FALSE !(\read(pumpRunning)) [L74] COND TRUE \read(systemActive) [L76] CALL processEnvironment() [L122] int tmp ; [L125] COND FALSE !(\read(pumpRunning)) [L140] CALL processEnvironment__wrappee__lowWaterSensor() [L96] int tmp ; [L99] COND FALSE !(\read(pumpRunning)) [L114] FCALL processEnvironment__wrappee__base() [L140] RET processEnvironment__wrappee__lowWaterSensor() [L76] RET processEnvironment() [L82] CALL __utac_acc__Specification4_spec__1() [L817] int tmp ; [L818] int tmp___0 ; [L822] CALL, EXPR getWaterLevel() [L913] int retValue_acc ; [L916] retValue_acc = waterLevel [L917] return (retValue_acc); [L822] RET, EXPR getWaterLevel() [L822] tmp = getWaterLevel() [L824] COND FALSE !(tmp == 0) [L82] RET __utac_acc__Specification4_spec__1() [L294] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-01-10 07:47:26,360 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)